HSCO - The LED is based on the semiconductor diod
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Posted On: 11/20/2012 8:11:30 AM
HSCO - The LED is based on the semiconductor diode. When a diode is forward biased (switched on), electrons are able to recombine with holes within the device, releasing energy in the form of photons. This effect is called electro luminescence and the color of the light (corresponding to the energy of the photon) is determined by the energy gap of the semiconductor.
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